28149160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54133}}^1$

素因数の和:54157

約数の個数: 32

約数和(自身を含む): 68208840

約数和(自身を除く): 40059680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 54133, 108266, 216532, 270665, 433064, 541330, 703729, 1082660, 1407458, 2165320, 2814916, 3518645, 5629832, 7037290, 14074580, 28149160]

約数ペア:

[(1, 28149160), (2, 14074580), (4, 7037290), (5, 5629832), (8, 3518645), (10, 2814916), (13, 2165320), (20, 1407458), (26, 1082660), (40, 703729), (52, 541330), (65, 433064), (104, 270665), (130, 216532), (260, 108266), (520, 54133)]